From: internetado@bbs.alt119.net   
      
   In the case of Great Barrier Reef green turtles, rising temperatures   
   have been linked to changing sex-determination, with an increasing   
   number of new hatchlings born female.   
      
   Humans are driving migratory animals-sea turtles, chimpanzees, lions,   
   and penguins, among dozens of other species-towards extinction,   
   according to the most comprehensive assessment of migratory species   
   ever carried out.   
      
   The State of the World's Migratory Species, a first of its kind report   
   compiled by conservation scientists under the auspices of the UN   
   Environment Programme's World Conservation Monitoring Centre, found   
   population decline, a precursor to extinction, in nearly half of the   
   roughly 1,200 species listed under the Convention on Migratory Species   
   (CMS), a 1979 treaty aimed at conserving species that move across   
   international borders.   
      
   The report's findings dovetail with those of another authoritative UN   
   assessment, the 2019 Global Assessment Report on Biodiversity and   
   Ecosystem Services, that found around 1 million of Earth's 8 million   
   species are at risk of extinction due to human activity. Since the   
   1970s, global biodiversity, the variation of life on Earth, has   
   declined by a whopping 70 percent.   
   Read 24 remaining paragraphs | Com;ents   
      
   https://arstechnica.com/?p=2002967   
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